diff --git a/src/spicelib/devices/hicum2/hicum2.c b/src/spicelib/devices/hicum2/hicum2.c
index d99c7afa2..ada9d5cdc 100644
--- a/src/spicelib/devices/hicum2/hicum2.c
+++ b/src/spicelib/devices/hicum2/hicum2.c
@@ -3,6 +3,7 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
 Spice3 Implementation: 2019 Dietmar Warning
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2acld.c b/src/spicelib/devices/hicum2/hicum2acld.c
index 3e3d00daa..2a1410a9c 100644
--- a/src/spicelib/devices/hicum2/hicum2acld.c
+++ b/src/spicelib/devices/hicum2/hicum2acld.c
@@ -3,6 +3,7 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
 Spice3 Implementation: 2019 Dietmar Warning and Markus Müller
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2ask.c b/src/spicelib/devices/hicum2/hicum2ask.c
index feba8c404..4a33e06f7 100644
--- a/src/spicelib/devices/hicum2/hicum2ask.c
+++ b/src/spicelib/devices/hicum2/hicum2ask.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Mathew Lew and Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2conv.c b/src/spicelib/devices/hicum2/hicum2conv.c
index 44161bbdd..d477fa8e5 100644
--- a/src/spicelib/devices/hicum2/hicum2conv.c
+++ b/src/spicelib/devices/hicum2/hicum2conv.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2defs.h b/src/spicelib/devices/hicum2/hicum2defs.h
index ab13d6514..448ef886c 100644
--- a/src/spicelib/devices/hicum2/hicum2defs.h
+++ b/src/spicelib/devices/hicum2/hicum2defs.h
@@ -3,6 +3,7 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
 Spice3 Implementation: 2019 Dietmar Warning
+License: 3-clause BSD
 **********/
 
 #ifndef HICUM
diff --git a/src/spicelib/devices/hicum2/hicum2ext.h b/src/spicelib/devices/hicum2/hicum2ext.h
index 83a80920b..ee17754dc 100644
--- a/src/spicelib/devices/hicum2/hicum2ext.h
+++ b/src/spicelib/devices/hicum2/hicum2ext.h
@@ -3,6 +3,7 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
 Spice3 Implementation: 2019 Dietmar Warning
+License: 3-clause BSD
 **********/
 #ifndef __HICUMEXT_H
 #define __HICUMEXT_H
diff --git a/src/spicelib/devices/hicum2/hicum2getic.c b/src/spicelib/devices/hicum2/hicum2getic.c
index 2b1610c82..66b0be5d8 100644
--- a/src/spicelib/devices/hicum2/hicum2getic.c
+++ b/src/spicelib/devices/hicum2/hicum2getic.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2init.c b/src/spicelib/devices/hicum2/hicum2init.c
index 70f7a870f..92f07779a 100644
--- a/src/spicelib/devices/hicum2/hicum2init.c
+++ b/src/spicelib/devices/hicum2/hicum2init.c
@@ -1,5 +1,6 @@
 /*
  * hicuminit.c
+License: 3-clause BSD
  */
 
 
diff --git a/src/spicelib/devices/hicum2/hicum2mask.c b/src/spicelib/devices/hicum2/hicum2mask.c
index a4d8b31ec..242a1de9d 100644
--- a/src/spicelib/devices/hicum2/hicum2mask.c
+++ b/src/spicelib/devices/hicum2/hicum2mask.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1987 Mathew Lew and Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 #include "ngspice/ngspice.h"
diff --git a/src/spicelib/devices/hicum2/hicum2mpar.c b/src/spicelib/devices/hicum2/hicum2mpar.c
index fe65f2a6e..52e46a6f5 100644
--- a/src/spicelib/devices/hicum2/hicum2mpar.c
+++ b/src/spicelib/devices/hicum2/hicum2mpar.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2noise.c b/src/spicelib/devices/hicum2/hicum2noise.c
index 64631c6c4..78cafaa9d 100644
--- a/src/spicelib/devices/hicum2/hicum2noise.c
+++ b/src/spicelib/devices/hicum2/hicum2noise.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1987 Gary W. Ng
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 #include "ngspice/ngspice.h"
diff --git a/src/spicelib/devices/hicum2/hicum2param.c b/src/spicelib/devices/hicum2/hicum2param.c
index 974aca8b4..7bbb79c9d 100644
--- a/src/spicelib/devices/hicum2/hicum2param.c
+++ b/src/spicelib/devices/hicum2/hicum2param.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2pzld.c b/src/spicelib/devices/hicum2/hicum2pzld.c
index de78bb007..1d4effd0f 100644
--- a/src/spicelib/devices/hicum2/hicum2pzld.c
+++ b/src/spicelib/devices/hicum2/hicum2pzld.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2setup.c b/src/spicelib/devices/hicum2/hicum2setup.c
index 389ab5cc1..74fdeec6c 100644
--- a/src/spicelib/devices/hicum2/hicum2setup.c
+++ b/src/spicelib/devices/hicum2/hicum2setup.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicum2soachk.c b/src/spicelib/devices/hicum2/hicum2soachk.c
index 02db9b99f..ab69dad94 100644
--- a/src/spicelib/devices/hicum2/hicum2soachk.c
+++ b/src/spicelib/devices/hicum2/hicum2soachk.c
@@ -1,6 +1,7 @@
 /**********
 Copyright 2013 Dietmar Warning. All rights reserved.
 Author:   2013 Dietmar Warning
+License: 3-clause BSD
 **********/
 
 #include "ngspice/ngspice.h"
diff --git a/src/spicelib/devices/hicum2/hicum2trunc.c b/src/spicelib/devices/hicum2/hicum2trunc.c
index 08c0ca2ac..bbe933791 100644
--- a/src/spicelib/devices/hicum2/hicum2trunc.c
+++ b/src/spicelib/devices/hicum2/hicum2trunc.c
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicumL2.cpp b/src/spicelib/devices/hicum2/hicumL2.cpp
index 4e057ed1e..88193fcf3 100644
--- a/src/spicelib/devices/hicum2/hicumL2.cpp
+++ b/src/spicelib/devices/hicum2/hicumL2.cpp
@@ -3,6 +3,7 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
 Spice3 Implementation: 2020 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 /*
diff --git a/src/spicelib/devices/hicum2/hicumL2temp.cpp b/src/spicelib/devices/hicum2/hicumL2temp.cpp
index 579cf8fe6..ce79f3824 100644
--- a/src/spicelib/devices/hicum2/hicumL2temp.cpp
+++ b/src/spicelib/devices/hicum2/hicumL2temp.cpp
@@ -2,7 +2,8 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 Model Author: 1990 Michael Schröter TU Dresden
-Spice3 Implementation: 2019 Dietmar Warning
+Spice3 Implementation: 2019 Dietmar Warning, Markus Müller, Mario Krattenmacher
+License: 3-clause BSD
 **********/
 
 #include "cmath"